Celebs Who Have Lost Weight

Rev. Al Sharpton arrives at the record release party for Janet Jackson's new CD "Damita Jo" at Spice Market March 29, 2004 in New York City. (Photo by Evan Agostini/Getty Images)

Reb. Al Sharpton - Now

Al Sharpton attends the New York premiere of MANDELA: LONG WALK TO FREEDOM, hosted by TWC, Yucaipa Films and Videovision Entertainment, supported by Mercedes-Benz, South African Airways and DeLeon Tequila at Alice Tully Hall on November 14, 2013. (Photo by Bryan Bedder/Getty Images for The Weinstein Company)

Drew Carey - Then

Actor/comedian Drew Carey performs during 'A Night of Comedy 2' on March 13, 2004 at the Wilshire Theatre, in Beverly Hills, California. The event benefits children affected by AIDS Foundation. (Photo by Frederick M. Brown/Getty Images)

Drew Carey - Now

Comedian Drew Carey arrives at the premiere of Warner Bros. Home Entertainment's 'The Wizard Of Oz' 3D And The Grand Opening Of The New TCL Chinese Theatre IMAX on September 15, 2013 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

Actress Kathy Ireland arrives at Chevy Rocks The Future at the Buena Vista Lot at The Walt Disney Studios February 19, 2008 in Burbank, California. (Photo by Mark Davis/Getty Images)

Kathy Ireland - Now

Former Model Kathy Ireland arrives at the 82nd Academy Awards at the Kodak Theater in Hollywood, California on March 07, 2010. (Photo by Mark Ralston/AFP/Getty Images)

Jason Alexander - Then

Jason Alexander poses at the Roundabout Theatre Company's 2004 Spring Gala Celebration at the Mandarin Oriental hotel, April 26, 2004 in New York, New York. The celebration includes a special musical tribute to John Kander and Fred Ebb. (Photo by Zack Seckler/Getty Images)

Jason Alexander - Now

Jenny Craig client Jason Alexander makes his 30-pound weight loss debut during a press conference at The Pierre Hotel on May 17, 2010 in New York City. (Photo by Michael Loccisano/Getty Images for Jenny Craig)

Valerie Bertinelli - Then

Actress Valerie Bertinelli arrives for the MGM Studios afterparty for the film 'Saved' which premiered at the 2004 Sundance Film Festival on January 21, 2004 in Park City, Utah. (Photo by Carlo Allegri/Getty Images)

Valerie Bertinelli - Now

Valerie Bertinelli backstage at the Red Dress Collection 2009 fashion show during Mercedes-Benz Fashion Week at The Tent in Bryant Park on February 13, 2009 in New York City. (Larry Busacca/Getty Images for Swarovski)

Peter Jackson - Then

Director Peter Jackson at the UK premiere of Lord of the Rings,The Fellowship at the Odeon, Leicester Square, London on December 11, 2002. (Photo by Dave Hogan/Getty Images)

Peter Jackson - 2009

Peter Jackson walks the red carpet during the The Lovely Bones Premiere at the Embassy Theatre on December 14, 2009 in Wellington, New Zealand. (Photo by Marty Melville/Getty Images)